Window-screen



(No Model.)

' J. P. APPELL.

WINDOW seme-BN.. No. 468,906. Patented Feb. 16, 1892.

UNITED f STATEs PATENT OFFICE.

JOHN F. APPELL, OF ST. LOUIS, MISSOURI.

WIN DOW-SCREEN.

SPECIFICATION forming part of Letters Patent No.V 468,906, datedFebruary 16, 1892. Application tiled J'uly 10, 1891. Serial No. 399,025. (No model.)

To all whom #may concern,.-

Be it known that I, JOHN F. APPELL, of the city of St. Louis, in the State of Missouri, have invented certain new and useful Improvements in Tindow-Screens, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming a part hereof.

My invention relates to improvements in window-screens; and it consists in the novel arrangement and combination of parts, as will be more fully hereinafter described, and designated in the claim.

In the drawings, Figure lis a perspective view of my complete invention, showing the inside of the window-screen. Fig. 2 is a vertical longitudinal section of the same. Fig. 3 is an elevation of a portion of the wire screen, showing the construction where it is secured to the frame.

The object of my invention is to construct a window-screen inexpensive in cost, of a finished appearance, especially from the inside, and so constructed that all the flies, insects, dac., that may be in the room may find an exit through the screen, and also so constructed that the insects on the outside cannot get into the room.

I will give a further description of the advantages of my invention in connection with a mechanical description thereof.

Referring to the drawings, l indicates the frame-work of the window-screen, the same having side pieces 2, and the other' parts of said frame embody the ordinary construction. The inside of said side pieces 2 are provided with oblique grooves or recesses 3 for the purposes more fully hereinafter described.

, Having fully described' the construction of the frame-work of the window-screen, I will now proceed to describe the construction of the screen itself.

The wire screen is composed of two sections 4and 5, of ordinary wire-screen material. The section 4 of said screen has a less width than lsection 5, and both of said sections are secured 3, and the lower section 5 extends upwardly on the side pieces 2 to the lower corners of the oblique grooves 3 and is bent inwardly 5 5 5, throughwhich the insects that'may be on the inside of the room may pass. The insects that may be on the inside of the room can pass outwardly, as indicatedby the arrow.

Section 4 of the screen is provided at its lower terminal portion with an upturned end 8, .and the upper terminal portion of section 5 is provided with a downwardly-turned end 9. The outer ends of these portions 8 and 9 are bent approximately parallel with the main part of the screen. The object of this construction is that should any insects get on the inside of section4 and start downwardly they will come in contact with the upturned end 8, and thus, meeting with a resistance, will retrace their movement-s, 4and should any iiies come on the outside of section 5 and pass upwardly they will come in contact with a downwardly-turned end 9, and thus, meeting with resistance, will retrace their movement and will not pass :into the inside of the room through the opening 10 between the sections 4 and 5 of the screen. Particular emphasis is laid upon the point of the curved portions 8 and 9 being bent over in the manner above described.v Heretofore when proj ectionshave been used for a similar purpose they have been bent at right angles, presenting almost no obstacle to the passage of insects through IOO screens, while hundreds nd an exit from the inside 'of the room through said opening.

For emphasis it may be again reiterated thatI secure both sections of the screento the same side of the frame l, thus making a finished screen and presenting to a casual observer a continuous and solid screen.

I-Iaving fully described my invention, what I claim isprising a frame-Work l, the side pieces 2 thereof being provided With oblique grooves 3, outl wardly inclined, a section l of Wire-screen y material secured to the upper inside portion of said frame l and provided with an inwardly and upwardly curved or semicircular portion 8 vat its lower end, a section 5 of similar wired screen material, secured tothe lower inside portion of the frame-Work 1 and inclined out- Wardlyr at its upper end, so as to pass through the grooves 3, and an outwardly and downwardly projecting curved or semicircular portion 9 on Ithe upper end of section 5, the outer ends of portions 8 and 9 being bent approximately parallel with the main part of The herein-described Window-screen, colnthe screen, substantially as set forth.

In testimony whereof I affix my signature in presence of tWo witnesses.

JOHN F. APPELL.

WVitnesses:

ED. E. LONGAN, L. L. TRACEY. 

